fix(rectification): enforce trusted result identity and preserve receipt provenance

Unify minute and block cache identity, keep unverifiable historical results read-only across server tools and write entrypoints, and aggregate completed receipt sources chronologically through a compatible function migration.

Co-Authored-By: Claude Code <noreply@anthropic.com>

frontend/src/components/rectification-agentic-chat.tsx

@@ -64,6 +64,7 @@ import {
   isAbortError,
   rectificationConversationState,
   rectificationInitialLiveLabel,
+  recompareHistoricalResult,
   rectificationQuestionGapState,
   rectificationReadonlyRangeCopy,
   contrastProbesFromReceipt,
@@ -389,7 +390,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
   const {
     caseId,
     sessionId,
-    readonly,
+    readonly: historyReadonly,
     shouldStartOpening,
     initialTurns,
     initialSnapshot,
@@ -410,6 +411,10 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     headerSlot,
   } = props;
 
+  const [resultNotice, setResultNotice] = useState(initialSnapshot?.case?.result_notice ?? null);
+  const [canRecompare, setCanRecompare] = useState(initialSnapshot?.case?.result_identity?.can_recompare === true);
+  const readonly = historyReadonly || Boolean(resultNotice);
+  const conversationReadonly = historyReadonly || (Boolean(resultNotice) && !canRecompare);
   const [messages, setMessages] = useState<RenderMessage[]>(() => messagesFromTurns(initialTurns));
   const [draft, setDraft] = useState("");
   const queued = useQueuedMessage();
@@ -583,6 +588,8 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
   } | null) => {
     if (!payload) return;
     const snapshot = payload as RectificationCaseSnapshotPayload;
+    setResultNotice(snapshot.case?.result_notice ?? null);
+    setCanRecompare(snapshot.case?.result_identity?.can_recompare === true);
     const nextCandidate = parseRectificationCandidateResult(payload.latest_result);
     const nextQuestion = currentQuestionFromSnapshot(payload.current_question);
     const nextChoice = parseRectificationChoiceCard(payload.choice_card);
@@ -693,7 +700,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
     continuation?: Readonly<{ reuseAssistantRenderKey: string; label: string }>,
   ) => {
     const trimmed = action === "message" ? messageText.trim() : "";
-    if ((action === "message" && !trimmed) || readonly) return;
+    if ((action === "message" && !trimmed) || conversationReadonly) return;
     if (!continuation && busy) return;
     setError("");
     setPending(true);
@@ -1018,7 +1025,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
       lastRunOutcome.current = readonly ? "readonly" : runOutcome;
       setPending(false);
     }
-  }, [beginLiveRun, busy, caseId, loadCaseSnapshot, onCompleted, onMessagesChange, onOpenBilling, onProfileIncomplete, readonly, rememberLiveActivity, selectedModelId, sessionId, setPending]);
+  }, [beginLiveRun, busy, caseId, loadCaseSnapshot, onCompleted, onMessagesChange, onOpenBilling, onProfileIncomplete, readonly, conversationReadonly, rememberLiveActivity, selectedModelId, sessionId, setPending]);
 
   useEffect(() => {
     if (busy) return;
@@ -1688,6 +1695,10 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
           aria-busy={busy || regeneratingMessageKey !== null}
         >
           <div className="message-list">
+          {resultNotice && <p role="status" className="rectification-pending-note">{resultNotice}</p>}
+          {resultNotice && canRecompare && !historyReadonly && (
+            <Button type="button" variant="outline" disabled={busy} onClick={() => void recompareHistoricalResult({ canRecompare, historyReadonly, busy, send })}>重新比较</Button>
+          )}
           {pendingConsultationQuestion?.trim() && (
             <p className="rectification-pending-note">
               先陪你核对出生时间范围；结束后新建对话，按采用的时间再问：“{pendingConsultationQuestion.trim()}”
@@ -1822,7 +1833,7 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
             </p>
           )}
           {error && <p className="error-message" role="alert">{error}</p>}
-          {readonly && (
+          {historyReadonly && (
             <div className="rectification-terminal-actions">
               <p className="rectification-terminal-note">该校正已结束，只能查看历史。</p>
               <Button type="button" onClick={onRestart}>再次校正</Button>
@@ -1839,8 +1850,10 @@ export function RectificationAgenticChat(props: RectificationAgenticChatProps) {
             inputRef={composer}
             value={draft}
             remainingId={composerRemainingId}
-            inputLabel={readonly ? "该校正已结束，只能查看历史" : "继续描述你的经历或回答"}
-            placeholder={readonly
+            inputLabel={resultNotice ? "当前结果仅供查看" : readonly ? "该校正已结束，只能查看历史" : "继续描述你的经历或回答"}
+            placeholder={resultNotice
+              ? "当前结果仅供查看，暂不能选择或采用。"
+              : readonly
               ? "该校正已结束，只能查看历史；需要再次校正请新建。"
               : showLiveChoiceCard
                 ? "点上面的选项即可；想补一句细节再写"